Chart Symbols ECDIS Flashcards
Area of low accuracy
Sounding of low accuracy
Dangerous cargo berth
Isolated danger of depth less than the safety depth
Sounding shallower than safety depth
Sounding deeper than safety depth
Underwater hazard with depth of 20 meters or less
Underwater hazard with depth greater than 20m
Drying height, less than or equal to safety depth
Swept area
Incompletely surveyed area
Unsurveyed area
Sand
Mud
Clay
Silt
Stones
Gravel
Pebbles
Cobbles
Rock
Boulder
Lava
Coral
Shells
Rocky ledges or coral reef
Obstruction, depth not stated
Obstruction which covers and uncovers
Foul area, not safe for navigation
Swept sounding, less than or equal to safety depth
Swept sounding, greater than safety depth
Dangerous underwater rock of uncertain depth
Safe clearance shoaler than safety contour